TA
Terminal Adapter. Connecting equipment between the Terminal Equipment (computer) and the phone, e.g. a PCM/CIA card. A TA may contain a phone book.
table
Belongs to a database; stores any number of rows of data which conform to the structure described by a column set.
See also: database, row, column set
TACS
Total Access Communication System: a British 1G analog mobile telephone standard based on the US AMPS system. It was later adopted in other countries including Hong-Kong and Japan.
task bar
Touch sensitive toolbar for launching applications.
In the TechView UI, this term is used to refer to the lower off-screen area from which applications are launched.
See also: toolbar, side bar
target hardware
A phone handset running Symbian OS. (compare with emulator).
TCB
Trusted Computing Base.
TCE
Trusted Computing Environment.
TCP/IP
The Transmission Control Protocol/Internet Protocol, the suite of communications protocols used to make connections on the Internet.
TDMA
1. Time Division Multiple Access: a digital wireless telephony transmission technique. TDMA allocates each user a different time slot on a given frequency. GSM, D-AMPS, PDC and DECT use TDMA in one form or another.
2. A name generally used for D-AMPS. TDMA networks are operated in the US, Latin America, New Zealand, parts of Russia and Asia Pacific.
technology type UID
UID that indicates the messaging technology that the MTM group implements.
telephony
Telephony is the technology associated with the electronic transmission of voice, fax, or other information between distant parties using systems historically associated with the telephone.
See also: ETel
template
In Contacts, a template is a contact item that contains a set of fields on which new contact items can be based.
template label
In Contacts, a label identifies a template to users. For instance, 'work template' could indicate a template used to create contact cards in the style of a work colleague.
template port
An example base port for an imaginary development board that can be used as a starting point for a port to a real system.
terminal emulation
Used when making a computer respond like a particular type of terminal. Terminal emulation programs enable you to access a mainframe computer or bulletin board service using a personal computer.
text area
Area within the view rectangle in which text can appear. The label and line cursor margins are not part of the text area.
See also: view rectangle, label margin, line cursor margin
text cursor
Used for 'cursor' when it needs to be distinguished from 'line cursor'.
See also: cursor, line cursor
text definition
Specifies a set of fields and field separators, which is used to create a string to represent a contact item.
See also: field, contact item
text drawing primitive
A graphics operation that outputs text to a graphics device.
See also: graphics operation, graphics device
text message
The text message format consists of a number of message types supported by the GSM standards. Types include, submit, deliver, status report, and command.
See also: PDU message
text mode
When a file is open in text mode, CR and LF combinations are translated between the file system's native format and the Symbian OS format (which uses CR, LF to designate the end of every line).
See also: binary mode
text object
An object derived from CEditableText, that contains a body of text, pictures etc.
See also: editable text, picture
text view
View of a document.
See also: text object, layout object
thick line
A line drawn with a pen of greater width than one pixel.
thick shape
A line or fillable with an outline that is drawn greater than one pixel wide is a thick shape.
See also: thick line
thin template
An idiom used to minimize code bloat from the use of standard C++ templates.
thread
A single unit of execution within a process; threads run concurrently.
See also: process
thread-local storage
A machine word of memory that may be used to anchor information in the context of both a DLL and a thread. It is one technique used to store global writeable static data for a DLL. Used instead of writable static data, which is not supported for Symbian OS DLLs.
See also: DLL
thread-relative
A handle is thread-relative if ownership of that handle is vested in the thread.
See also: handle
time and date editor
A concrete control that supports editing a time and date value.
See also: time editor, date editor
time editor
A concrete control that supports editing a time value.
See also: time and date editor
time offset editor
A concrete control that supports editing a time offset value.
See also: time editor, duration editor
timed alarm
Timed alarms are associated with timed agenda entries. The time of the alarm can be adjusted by changing the time of the agenda entry.
See also: clock alarm, untimed alarm, orphan alarm, snoozed alarm, session alarm
TLS
Transport Layer Security: a network security protocol defined by IETF RFC 2246. Developed from SSL.
TOCTOU
Time Of Check, Time of Use: a mnemonic describing the risks of race conditions when operations may affect security attributes between the time the security check is made and the time the result of the check is acted upon.
to-do list ID
Uniquely identifies a to-do list in an agenda file. Unlike the unique ID, the to-do list ID can change if the list is updated, or if another list is deleted from or added to the file. It therefore cannot be used to identify the list during synchronisation.
See also: unique ID
toolband
A horizontal strip of information and buttons along the top of a document's UI— also known as the top toolbar.
The TechView UI implements toolbands as horizontal toolbars.
See also: top toolbar, command, toolbar
toolbar
A rectangular 'bar' of screen area where tools can be launched.
In the TechView UI, this refers specifically to vertical strip of controls down the left- or right-hand-side of an application. Usually contains a clock, the name of the current file or application and a number of command buttons, but can contain any kind of factory-constructable control.
See also: compound control, toolband, control factory identifier, task bar, side bar
top level entity
A parser entity that is not nested within another entity but into which other entities can be nested. vCalendars and vCards can be top level entities. vEvents and vTodos cannot be top-level entities.
See also: entity, vCalendar, vCard
top toolbar
A horizontal toolbar at the top of the screen. Also known as a toolband.
See also: toolband
top-level control
A window-owning control whose associated window is a top-level window.
See also: window-owning control, associated window, top-level window
top-level window
A window whose parent window is a window group.
transaction
One or more changes to a database which have been completed, and can either be committed or rolled back together.
See also: database, commit, rollback
transport independence
The concept that different protocols can be accessed through the same sockets API.
TRAP, TRAPD
Trap harness macros within which leaving code may be executed and any leaves 'caught'. Can be likened to a combination of try and catch in standard
C++.
trap harness
Construction associated with the TRAP and TRAPD macros. Code executed inside a trap harness may leave, returning control to the cleanup part of the harness, and automatically resulting in items being cleaned up from the cleanup stack.
See also: leave, cleanup stack
triad
Group of three digits in the integer portion of a number. Triads are separated by the thousands separator. For example, using the comma as the thousands separator, there are two triads in the number '123,456.789'.
Trust anchor
A certificate on a device that is trusted directly by the device for some purpose, such as verifying EE certificates used to sign SIS files.
TSY
An ETel extension module that handles the interaction between the ETel server, and a particular telephony device or family of devices.
See also: ETel
twip
1/1440th of an inch, or 1/20th of a point. All measurements supported by the GDI are either in pixels for devices, or twips for real-world sizing.
See also: point
twips editor
A concrete control that supports editing a paper measurement unit value: inches or cms; it presents the program with measurement in twips.
two-phase construction
An idiom used on Symbian OS to ensure that an object can be initialized safely using leaving code.
typeface
A group of related fonts of various sizes, which share the same typeface name and typeface attributes.
See also: Font
